EP3238219A4 - Dispositifs magnétiques à faible diaphonie - Google Patents

Dispositifs magnétiques à faible diaphonie Download PDF

Info

Publication number
EP3238219A4
EP3238219A4 EP15872024.3A EP15872024A EP3238219A4 EP 3238219 A4 EP3238219 A4 EP 3238219A4 EP 15872024 A EP15872024 A EP 15872024A EP 3238219 A4 EP3238219 A4 EP 3238219A4
Authority
EP
European Patent Office
Prior art keywords
magnetic devices
low crosstalk
crosstalk magnetic
low
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP15872024.3A
Other languages
German (de)
English (en)
Other versions
EP3238219A1 (fr
Inventor
Ari Vilander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of EP3238219A1 publication Critical patent/EP3238219A1/fr
Publication of EP3238219A4 publication Critical patent/EP3238219A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/346—Preventing or reducing leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
    • H01L23/5225—Shielding layers formed together with wiring layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measuring Magnetic Variables (AREA)
  • Near-Field Transmission Systems (AREA)
EP15872024.3A 2014-12-23 2015-12-15 Dispositifs magnétiques à faible diaphonie Pending EP3238219A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/581,162 US9646762B2 (en) 2014-12-23 2014-12-23 Low crosstalk magnetic devices
PCT/FI2015/050887 WO2016102756A1 (fr) 2014-12-23 2015-12-15 Dispositifs magnétiques à faible diaphonie

Publications (2)

Publication Number Publication Date
EP3238219A1 EP3238219A1 (fr) 2017-11-01
EP3238219A4 true EP3238219A4 (fr) 2018-08-29

Family

ID=56130247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15872024.3A Pending EP3238219A4 (fr) 2014-12-23 2015-12-15 Dispositifs magnétiques à faible diaphonie

Country Status (4)

Country Link
US (2) US9646762B2 (fr)
EP (1) EP3238219A4 (fr)
CN (1) CN107112110B (fr)
WO (1) WO2016102756A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9646762B2 (en) * 2014-12-23 2017-05-09 Nokia Technologies Oy Low crosstalk magnetic devices
KR102700029B1 (ko) 2018-07-30 2024-08-29 삼성전자주식회사 복수의 무선 충전 코일들을 포함하는 전자 장치 및 그 동작 방법
TWI674596B (zh) 2018-12-21 2019-10-11 瑞昱半導體股份有限公司 電感裝置及其控制方法
CN111383826B (zh) * 2018-12-28 2021-03-30 瑞昱半导体股份有限公司 电感装置及其控制方法
US20210020358A1 (en) * 2019-07-15 2021-01-21 Maxim Integrated Products, Inc. Electrical assemblies including couplers for canceling magnetic flux
CN113311491A (zh) * 2020-02-26 2021-08-27 北京小米移动软件有限公司 一种终端设备
US20240038690A1 (en) * 2022-07-26 2024-02-01 Mediatek Inc. Semiconductor devices with a structure capable of suppressing coupling noise suppression

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005010543A1 (fr) * 2003-07-30 2005-02-03 Koninklijke Philips Electronics N.V. Dispositif du type capteur magnetique monte sur puce et caracterise par une suppression de la diaphonie
US20090250262A1 (en) * 2008-04-03 2009-10-08 Qualcomm Incorporated Inductor with patterned ground plane
EP2293309A1 (fr) * 2009-09-08 2011-03-09 STmicroelectronics SA Dispositif inductif intégré.
WO2011140031A1 (fr) * 2010-05-05 2011-11-10 Marvell World Trade Ltd Structure d'inducteur avec blindage magnétique
US20120223796A1 (en) * 2011-03-03 2012-09-06 Kai-Yi Huang Variable inductor
US20140140028A1 (en) * 2012-11-21 2014-05-22 Cambridge Silicon Radio Limited Magnetic Coupling and Cancellation Arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030231093A1 (en) 2002-06-13 2003-12-18 Taiwan Semiconductor Manufacturing Co., Ltd. Microelectronic inductor structure with annular magnetic shielding layer
US7151430B2 (en) 2004-03-03 2006-12-19 Telefonaktiebolaget Lm Ericsson (Publ) Method of and inductor layout for reduced VCO coupling
JP2009260080A (ja) * 2008-04-17 2009-11-05 Fujitsu Ltd インダクタ装置
EP2273613A1 (fr) 2009-07-07 2011-01-12 Nxp B.V. Disposition de bouclier magnétique, dispositif semi-conducteur et application
EP2549646A1 (fr) * 2011-07-21 2013-01-23 Telefonaktiebolaget L M Ericsson (publ) Agencement de filtre de transformateur
US9312927B2 (en) 2013-11-11 2016-04-12 Qualcomm Incorporated Tunable guard ring for improved circuit isolation
US9646762B2 (en) * 2014-12-23 2017-05-09 Nokia Technologies Oy Low crosstalk magnetic devices

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005010543A1 (fr) * 2003-07-30 2005-02-03 Koninklijke Philips Electronics N.V. Dispositif du type capteur magnetique monte sur puce et caracterise par une suppression de la diaphonie
US20090250262A1 (en) * 2008-04-03 2009-10-08 Qualcomm Incorporated Inductor with patterned ground plane
EP2293309A1 (fr) * 2009-09-08 2011-03-09 STmicroelectronics SA Dispositif inductif intégré.
WO2011140031A1 (fr) * 2010-05-05 2011-11-10 Marvell World Trade Ltd Structure d'inducteur avec blindage magnétique
US20120223796A1 (en) * 2011-03-03 2012-09-06 Kai-Yi Huang Variable inductor
US20140140028A1 (en) * 2012-11-21 2014-05-22 Cambridge Silicon Radio Limited Magnetic Coupling and Cancellation Arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016102756A1 *

Also Published As

Publication number Publication date
US10573454B2 (en) 2020-02-25
WO2016102756A1 (fr) 2016-06-30
US9646762B2 (en) 2017-05-09
CN107112110B (zh) 2019-05-17
US20160181009A1 (en) 2016-06-23
US20170236636A1 (en) 2017-08-17
CN107112110A (zh) 2017-08-29
EP3238219A1 (fr) 2017-11-01

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